Crochet Inline Hooks Bate Hooks

Crochet Hook Sizes: Everything About Crochet Needles that you Need to Know

What are the different crochet hook sizes and why does it matter what crochet hook you use on a project? 

Those are the questions we will dive into as we discuss all the crochet hooks and needles used by people today.


Crochet Hook Size Chart

The diameter of the hook shaft determines the crochet hook sizes as you can see in the crochet hook size chart below: 

Metric diameterUS Knitting Needle NumberCorresponding Crochet Hook Size
2.25 mm1B-1
2.75 mm2C-2
3.25 mm3D-3
3.5 mm4E-4
3.75 mm5F-5
4 mm6G-6 (Boye G-6 is 4.25mm)
4.5 mm77
5 mm8H-8
5.5 mm9I-9
6 mm10J-10
6.5 mm10.5K-10.5
8 mm11L-11
9 mm13M/N-13
10 mm15N/P-15
12.75 mm17
15 mm19P/Q
16 mmQ
19 mm35S
25 mm50U

You typically match your crochet hook size to your yarns weight. This depends on the type of project you are doing, but this is usually a rule of thumb. 


Are They Called Crochet Needles or Crochet Hooks?

You will more likely hear the tool called a crochet hook. This is because of the hook-like feature each of them has on the ends. In knitting, the tool used is more often referred to as a needle. However, you will still hear a crochet hook being called a crochet needle interchangeably. 


What is the Best Size Crochet Hooks for Beginners?

We see the majority of beginners start with a worsted-weight yarn and size H-8 (5mm) crochet hook. This is a very typical rookie hook and will help you become comfortable with the rhythm of your crochet stitches.

After you get more experience under your belt, you might find yourself wanting to try smaller hooks with lightweight yarns or big hooks with thicker, heavier yarns.


Different Types of Crochet Hooks

Ergonomic Crochet Hooks

An ergonomic crochet hook is less a type of hook and more-so a category of handle. This handle is usually larger than the old-fashioned hook’s handle and is made to be more comfortable to hold over long periods of time. That’s very important on long projects.

Ergonomic crochet hooks

Inline Hooks / Bate Hooks

These types of hooks are good for beginners who are struggling to keep their yarn in the hook.

Inline hooks have a straight edge and do not taper off toward the hook. With a pointier head, they usually fit with more ease through tight stitches. Be warned, however, the pointy head is known to be too sharp and continually snag the yarn of your project if you are not delicate.

As the name suggests, the hook is in-line with the handle of the crochet hook. Plus, the hook’s groove is much deeper than the next hook we’ll discus; tapered hooks.

Crochet Inline Hooks Bate Hooks

Tapered Hooks / Boye Hooks

This hook, as the name suggests, is tapered and is not in line with the shaft of your hook. Generally, the head is duller and not as pointy and because the hook narrows, it’s more difficult to use for beginners.

The tapered nature of the hook, you’ll see, alleviates the movements and subsequent pain in your wrists. However, be careful — because the hook narrows, this allows stitches to become even tighter and more difficult to penetrate the next go-round.

Crochet Tapered Hooks Boye Hooks

Tunisian Crochet Hook

Tunisian crochet is a style widely used in different parts of this world. There are stitches such as the Afghan stitch which are popular by everybody. It gives your work the look of knitting, but is still considered crochet.

Note: Sometimes, Tunisian crochet is even referred to as Afghan crochet. 

The Tunisian crochet hook is different from the common crochet hook. It has a longer shaft and is without an ergonomic grip which means can fit more loops on at one time.

Tunisian Crochet Hook

Clover Crochet Hooks

Clover crochet hooks have an optimal shape for comfortable crocheting which is why many people prefer them. With the oval-shaped soft rubber cushion for comfort, it’s no wonder why many beginners choose these. 

A good starter set is the Clover Amour set.

About the Author: Crochet Stitches

Hello, and welcome to our site. We've been passionate about crochet for years and have learned a lot along the way. We hope our tutorials and tips will help you out on your crochet journey. Let's make art together!

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